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<div id="overview"><a href="../../../../../apidocs/de/aikiit/bildbearbeiter/gui/HelpWindow.html">View Javadoc</a></div><pre>

<a class="jxr_linenumber" name="1" href="#1">1</a>   <em class="jxr_comment">/*</em>
<a class="jxr_linenumber" name="2" href="#2">2</a>   <em class="jxr_comment"> * Created on 20.10.2003</em>
<a class="jxr_linenumber" name="3" href="#3">3</a>   <em class="jxr_comment"> */</em>
<a class="jxr_linenumber" name="4" href="#4">4</a>   <strong class="jxr_keyword">package</strong> de.aikiit.bildbearbeiter.gui;
<a class="jxr_linenumber" name="5" href="#5">5</a>   
<a class="jxr_linenumber" name="6" href="#6">6</a>   <strong class="jxr_keyword">import</strong> de.aikiit.bildbearbeiter.util.ComponentGaugeUtil;
<a class="jxr_linenumber" name="7" href="#7">7</a>   <strong class="jxr_keyword">import</strong> org.apache.log4j.Logger;
<a class="jxr_linenumber" name="8" href="#8">8</a>   
<a class="jxr_linenumber" name="9" href="#9">9</a>   <strong class="jxr_keyword">import</strong> javax.swing.JButton;
<a class="jxr_linenumber" name="10" href="#10">10</a>  <strong class="jxr_keyword">import</strong> javax.swing.JEditorPane;
<a class="jxr_linenumber" name="11" href="#11">11</a>  <strong class="jxr_keyword">import</strong> javax.swing.JFrame;
<a class="jxr_linenumber" name="12" href="#12">12</a>  <strong class="jxr_keyword">import</strong> javax.swing.JLabel;
<a class="jxr_linenumber" name="13" href="#13">13</a>  <strong class="jxr_keyword">import</strong> javax.swing.JPanel;
<a class="jxr_linenumber" name="14" href="#14">14</a>  <strong class="jxr_keyword">import</strong> javax.swing.JScrollPane;
<a class="jxr_linenumber" name="15" href="#15">15</a>  <strong class="jxr_keyword">import</strong> java.awt.BorderLayout;
<a class="jxr_linenumber" name="16" href="#16">16</a>  <strong class="jxr_keyword">import</strong> java.awt.Dimension;
<a class="jxr_linenumber" name="17" href="#17">17</a>  <strong class="jxr_keyword">import</strong> java.awt.FlowLayout;
<a class="jxr_linenumber" name="18" href="#18">18</a>  <strong class="jxr_keyword">import</strong> java.awt.GridLayout;
<a class="jxr_linenumber" name="19" href="#19">19</a>  <strong class="jxr_keyword">import</strong> java.awt.event.ActionEvent;
<a class="jxr_linenumber" name="20" href="#20">20</a>  <strong class="jxr_keyword">import</strong> java.awt.event.ActionListener;
<a class="jxr_linenumber" name="21" href="#21">21</a>  <strong class="jxr_keyword">import</strong> java.io.File;
<a class="jxr_linenumber" name="22" href="#22">22</a>  
<a class="jxr_linenumber" name="23" href="#23">23</a>  <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="24" href="#24">24</a>  <em class="jxr_javadoccomment"> * This class represents a help window component. It loads a HTML-page to show</em>
<a class="jxr_linenumber" name="25" href="#25">25</a>  <em class="jxr_javadoccomment"> * as application help.</em>
<a class="jxr_linenumber" name="26" href="#26">26</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="27" href="#27">27</a>  <em class="jxr_javadoccomment"> * @author hirsch, 20.10.2003</em>
<a class="jxr_linenumber" name="28" href="#28">28</a>  <em class="jxr_javadoccomment"> * @version 2004-01-08</em>
<a class="jxr_linenumber" name="29" href="#29">29</a>  <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="30" href="#30">30</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../de/aikiit/bildbearbeiter/gui/HelpWindow.html">HelpWindow</a> <strong class="jxr_keyword">extends</strong> JFrame <strong class="jxr_keyword">implements</strong> ActionListener {
<a class="jxr_linenumber" name="31" href="#31">31</a>      <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> Logger for this class. */</em>
<a class="jxr_linenumber" name="32" href="#32">32</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> Logger LOG = Logger.getLogger(HelpWindow.<strong class="jxr_keyword">class</strong>);
<a class="jxr_linenumber" name="33" href="#33">33</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="34" href="#34">34</a>  <em class="jxr_javadoccomment">    End button needs to be visible inside the class to perform programme</em>
<a class="jxr_linenumber" name="35" href="#35">35</a>  <em class="jxr_javadoccomment">    exit.</em>
<a class="jxr_linenumber" name="36" href="#36">36</a>  <em class="jxr_javadoccomment">    */</em>
<a class="jxr_linenumber" name="37" href="#37">37</a>      <strong class="jxr_keyword">private</strong> JButton endButton = <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="38" href="#38">38</a>  
<a class="jxr_linenumber" name="39" href="#39">39</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="40" href="#40">40</a>  <em class="jxr_javadoccomment">     * Relative location of the UI's image icon.</em>
<a class="jxr_linenumber" name="41" href="#41">41</a>  <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="42" href="#42">42</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> String HTML_HELP_LOCATION = File.separator + <span class="jxr_string">"html"</span>
<a class="jxr_linenumber" name="43" href="#43">43</a>              + File.separator + <span class="jxr_string">"hilfe.html"</span>;
<a class="jxr_linenumber" name="44" href="#44">44</a>  
<a class="jxr_linenumber" name="45" href="#45">45</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="46" href="#46">46</a>  <em class="jxr_javadoccomment">     * Creates a HelpWindow, initializes its components but does</em>
<a class="jxr_linenumber" name="47" href="#47">47</a>  <em class="jxr_javadoccomment">     * &lt;strong&gt;not&lt;/strong&gt; show the window.</em>
<a class="jxr_linenumber" name="48" href="#48">48</a>  <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="49" href="#49">49</a>      <strong class="jxr_keyword">public</strong> <a href="../../../../de/aikiit/bildbearbeiter/gui/HelpWindow.html">HelpWindow</a>() {
<a class="jxr_linenumber" name="50" href="#50">50</a>          init();
<a class="jxr_linenumber" name="51" href="#51">51</a>      } <em class="jxr_comment">// end of Konstruktor</em>
<a class="jxr_linenumber" name="52" href="#52">52</a>  
<a class="jxr_linenumber" name="53" href="#53">53</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="54" href="#54">54</a>  <em class="jxr_javadoccomment">     * Initialize UI-compontens and make them visible.</em>
<a class="jxr_linenumber" name="55" href="#55">55</a>  <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="56" href="#56">56</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> init() {
<a class="jxr_linenumber" name="57" href="#57">57</a>          <em class="jxr_comment">// REVIEW add i18n</em>
<a class="jxr_linenumber" name="58" href="#58">58</a>          JPanel oben = <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="59" href="#59">59</a>          JPanel unten = <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="60" href="#60">60</a>          JScrollPane rollpanel = <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="61" href="#61">61</a>          JEditorPane textfeld = <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="62" href="#62">62</a>  
<a class="jxr_linenumber" name="63" href="#63">63</a>          <strong class="jxr_keyword">this</strong>.setTitle(<span class="jxr_string">"Programmhilfe"</span>);
<a class="jxr_linenumber" name="64" href="#64">64</a>          <strong class="jxr_keyword">this</strong>.setResizable(false);
<a class="jxr_linenumber" name="65" href="#65">65</a>          oben = <strong class="jxr_keyword">new</strong> JPanel(<strong class="jxr_keyword">new</strong> FlowLayout());
<a class="jxr_linenumber" name="66" href="#66">66</a>          unten = <strong class="jxr_keyword">new</strong> JPanel(<strong class="jxr_keyword">new</strong> FlowLayout());
<a class="jxr_linenumber" name="67" href="#67">67</a>  
<a class="jxr_linenumber" name="68" href="#68">68</a>          <em class="jxr_comment">// Inhalt des Textfeldes von einer URL laden</em>
<a class="jxr_linenumber" name="69" href="#69">69</a>          textfeld = <strong class="jxr_keyword">new</strong> JEditorPane();
<a class="jxr_linenumber" name="70" href="#70">70</a>          textfeld.setContentType(<span class="jxr_string">"text/html"</span>);
<a class="jxr_linenumber" name="71" href="#71">71</a>          textfeld.setEditable(false);
<a class="jxr_linenumber" name="72" href="#72">72</a>          <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="73" href="#73">73</a>              <em class="jxr_comment">// REVIEW extract this to a constant to make refactorings easier</em>
<a class="jxr_linenumber" name="74" href="#74">74</a>              textfeld.setPage(HelpWindow.<strong class="jxr_keyword">class</strong>.getResource(HTML_HELP_LOCATION));
<a class="jxr_linenumber" name="75" href="#75">75</a>              oben.add(textfeld);
<a class="jxr_linenumber" name="76" href="#76">76</a>          } <strong class="jxr_keyword">catch</strong> (Exception e) {
<a class="jxr_linenumber" name="77" href="#77">77</a>              oben.setLayout(<strong class="jxr_keyword">new</strong> GridLayout(3, 1));
<a class="jxr_linenumber" name="78" href="#78">78</a>              oben.add(<strong class="jxr_keyword">new</strong> JLabel(<span class="jxr_string">"Fehler in der Hilfe -"</span>));
<a class="jxr_linenumber" name="79" href="#79">79</a>              oben.add(<strong class="jxr_keyword">new</strong> JLabel(<span class="jxr_string">""</span> + e.getMessage()));
<a class="jxr_linenumber" name="80" href="#80">80</a>              oben.add(<strong class="jxr_keyword">new</strong> JLabel(<span class="jxr_string">""</span> + e.getClass()));
<a class="jxr_linenumber" name="81" href="#81">81</a>          } <em class="jxr_comment">// end of catch</em>
<a class="jxr_linenumber" name="82" href="#82">82</a>  
<a class="jxr_linenumber" name="83" href="#83">83</a>          <em class="jxr_comment">// Eigenschaften des Scrollpanels anpassen</em>
<a class="jxr_linenumber" name="84" href="#84">84</a>          rollpanel = <strong class="jxr_keyword">new</strong> JScrollPane(oben);
<a class="jxr_linenumber" name="85" href="#85">85</a>          rollpanel.setPreferredSize(<strong class="jxr_keyword">new</strong> Dimension(350, 300));
<a class="jxr_linenumber" name="86" href="#86">86</a>          rollpanel.setVerticalScrollBarPolicy(
<a class="jxr_linenumber" name="87" href="#87">87</a>                  JScrollPane.VERTICAL_SCROLLBAR_ALWAYS);
<a class="jxr_linenumber" name="88" href="#88">88</a>  
<a class="jxr_linenumber" name="89" href="#89">89</a>          <em class="jxr_comment">// Ende-Knopf</em>
<a class="jxr_linenumber" name="90" href="#90">90</a>          <strong class="jxr_keyword">this</strong>.endButton = <strong class="jxr_keyword">new</strong> JButton(<span class="jxr_string">"Schließen"</span>);
<a class="jxr_linenumber" name="91" href="#91">91</a>          <strong class="jxr_keyword">this</strong>.endButton.addActionListener(<strong class="jxr_keyword">this</strong>);
<a class="jxr_linenumber" name="92" href="#92">92</a>          <strong class="jxr_keyword">this</strong>.endButton.setMnemonic('S');
<a class="jxr_linenumber" name="93" href="#93">93</a>          unten.add(<strong class="jxr_keyword">this</strong>.endButton);
<a class="jxr_linenumber" name="94" href="#94">94</a>  
<a class="jxr_linenumber" name="95" href="#95">95</a>          <em class="jxr_comment">// Zusammenbasteln ...</em>
<a class="jxr_linenumber" name="96" href="#96">96</a>          <strong class="jxr_keyword">this</strong>.getContentPane().setLayout(<strong class="jxr_keyword">new</strong> BorderLayout());
<a class="jxr_linenumber" name="97" href="#97">97</a>          <strong class="jxr_keyword">this</strong>.getContentPane().add(rollpanel, BorderLayout.NORTH);
<a class="jxr_linenumber" name="98" href="#98">98</a>          <strong class="jxr_keyword">this</strong>.getContentPane().add(unten, BorderLayout.CENTER);
<a class="jxr_linenumber" name="99" href="#99">99</a>  
<a class="jxr_linenumber" name="100" href="#100">100</a>         <em class="jxr_comment">// Zentrieren und Anzeigen</em>
<a class="jxr_linenumber" name="101" href="#101">101</a>         <strong class="jxr_keyword">this</strong>.pack();
<a class="jxr_linenumber" name="102" href="#102">102</a>         ComponentGaugeUtil.makeCentered(<strong class="jxr_keyword">this</strong>);
<a class="jxr_linenumber" name="103" href="#103">103</a>         LOG.debug(<span class="jxr_string">"HelpWindow init done."</span>);
<a class="jxr_linenumber" name="104" href="#104">104</a>     } <em class="jxr_comment">// end of init</em>
<a class="jxr_linenumber" name="105" href="#105">105</a> 
<a class="jxr_linenumber" name="106" href="#106">106</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="107" href="#107">107</a> <em class="jxr_javadoccomment">     * Make this component react to close button.</em>
<a class="jxr_linenumber" name="108" href="#108">108</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="109" href="#109">109</a> <em class="jxr_javadoccomment">     * @param event Event to react on in this UI-component.</em>
<a class="jxr_linenumber" name="110" href="#110">110</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="111" href="#111">111</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">void</strong> actionPerformed(<strong class="jxr_keyword">final</strong> ActionEvent event) {
<a class="jxr_linenumber" name="112" href="#112">112</a>         <strong class="jxr_keyword">if</strong> (event.getSource() == <strong class="jxr_keyword">this</strong>.endButton) {
<a class="jxr_linenumber" name="113" href="#113">113</a>             LOG.debug(<span class="jxr_string">"Disabling visibility of helpWindow."</span>);
<a class="jxr_linenumber" name="114" href="#114">114</a>             setVisible(false);
<a class="jxr_linenumber" name="115" href="#115">115</a>         }
<a class="jxr_linenumber" name="116" href="#116">116</a>     } <em class="jxr_comment">// end of actionPerformed</em>
<a class="jxr_linenumber" name="117" href="#117">117</a> } <em class="jxr_comment">// end of class</em>
</pre>
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